Tirzepatide Vial Calculator
Tirzepatide is available as brand-name Mounjaro (T2D) and Zepbound (weight management) autoinjector pens, and as compounded tirzepatide from licensed 503A and 503B compounding pharmacies in the US. Compounded tirzepatide vials typically come at concentrations of 5 mg/mL or 10 mg/mL. The vial calculator takes your vial specs and weekly dose to show how many doses your supply contains, when you will deplete it, and how early to reorder to avoid running out.
Interactive tool
Vial Depletion Planner
The planner runs in your browser with no account required. Enter your vial size and dose to get your depletion schedule.
What You Enter
- Vial volume (mL)
- Concentration (mg/mL)
- Weekly dose (mg)
- Protocol start date
What You Get
- Total doses available in the vial
- Projected depletion date
- Suggested reorder date (7-day lead time by default)
- Weekly draw volume in mL
From calculator to tracker
The vial planner feeds into the PeptideScholar tirzepatide tracker, which stores your supply log and sends optional low-supply alerts calibrated to your depletion date.
Frequently Asked Questions
Frequently Asked Questions
Dose calculations are based on standard vial concentrations and are intended for planning reference only. Actual doses, concentrations, and reconstitution volumes vary between compounding pharmacies and brands. Always follow the specific instructions provided by your prescribing physician and dispensing pharmacy.
Sources
- 1. Mounjaro (tirzepatide) Prescribing Information — Dosage and AdministrationFDA / Eli Lilly • 2023Claim type: clinicalView source →
- 2. Zepbound (tirzepatide) Prescribing Information — Dosage and AdministrationFDA / Eli Lilly • 2023Claim type: clinicalView source →
- 3. Compounding and the FDA: Questions and Answers — 503B Outsourcing FacilitiesFDA • 2024Claim type: regulatoryView source →
Medical Disclaimer
This content is for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations.
Always consult a qualified healthcare provider before starting, stopping, or modifying any treatment. Do not disregard professional medical advice based on information found on this site.
No claims of therapeutic efficacy are made for substances that are not FDA-approved for the discussed indications. Research citations reflect published findings and do not imply endorsement.